Page 13 - 20190101 part 6 (EN)
P. 13
TBIS 4210-6:2019
Table 2 — Drop heights and distribution of masses at seat post, steering head, and bottom
bracket
City and trekking Young adult bicy-
Bicycle type bicycles cles Mountain bicycles Racing bicycles
Mass 1
Seat-post, M 1 50 40 30 30
kg
Mass 2
Steering head, M 2 10 10 10 10
kg
Mass 3 Stage 1
Bottom 30 20 50 50
bracket,
M 3 kg Stage 2
48 34 68 68
Drop height, h 2 200 200 300 200
mm
5